ARCHIVED REPORTS_XR0012423 - Laserfiche WebLink

Home Browse Search

' Quarterly Report'- Third Quarter 2004 Former OCAMPO PROPERTY ' 821 South Wilson Way, Stockton, California ' 1.0. INTRODUCTION At the request of Mr Victor Aranda, Advanced GeoEnvironmental, Inc (AGE) has prepared this ' quarterly report for the property located at 821 South Wilson Way, Stockton, California(site) The scope of work included the performance of a quarterly ground water monitoring event, submission of monitoring and analytical data to the State Water Resources Control Board's GeoTracker ' information management system, and preparation of this report The location of the site and surrounding area is illustrated on Figure 1, structures, former underground storage tank (UST) ' locations, and soil boring and monitoring well locations are illustrated on Figure 2 This report was prepared in accordance with Central Valley Regional Water Quality Control Board (CVRWQCB)guidelines for the investigation of UST sites Site history and findings from previous ' investigations and monitoring events are provided in Appendix A ' 2.0. PROCEDURES ' . Field work was performed in accordance with guidelines established by the CVRWQCB for the investigation of UST sites Ground water monitoring procedures were performed as outlined in the Revised Work Plan Addendum, dated 18 July 2002 and approved by the San Joaquin County ' Environmental Health Department (EHD) in a letter dated 23 July 2002 t , 2 1 PURGE WATER AND WASTE SOIL DISPOSAL On 20 September 2004,approximately 110 gallons of non-hazardous purge water were pumped from ' on-site 55-gallon drums and 9,750 pounds of non-hazardous soil were removed from the site The purge water had been generated by previous groundwater monitoring events Pumping and disposal were completed by Slaby Sales of Borrego Springs,California The purge water and waste soil were ' taken to Filter Recycling Services, Inc , located in Rialto, California A copy of the waste disposal manifest is included in Appendix B 2 2 WELL MONITORING AND EVACUATION On 15 July 2004, a Solinst water level meter was used to measure the depth to ground water in all three monitoring wells relative to the tops of the well casings After the depth to ground water measurements were collected,casing water in each monitoring well was evacuated using a Waterra inertial pump and dedicated tubing Approximately 6 gallons of water were evacuated from each of z • the monitoring wells, equivalent to three casing-water volumes per well Advanced GeoEnvironmental,Inc